| 摘要 |
<p>A rolling or sliding door arrangement movable between two side guides (10, 11), comprising an actuating motor and a safety device on the terminal portion of the door (1) cooperating with an electronic circuitry adapted to stop the closing motion of said door (1) upon detecting the presence of an obstacle in the path of said door. The safety device includes an infrared barrier with sensors (23) and emitters (22) fitted to pivotable members (2, 3) in proximity of said guides (10, 11). (Fig. 1).</p> |
